20163089985

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{558457}}^1$

素因数の和:558577

約数の個数: 32

約数和(自身を含む): 33775539840

約数和(自身を除く): 13612449855

約数列:

[1, 3, 5, 15, 29, 83, 87, 145, 249, 415, 435, 1245, 2407, 7221, 12035, 36105, 558457, 1675371, 2792285, 8376855, 16195253, 46351931, 48585759, 80976265, 139055793, 231759655, 242928795, 695278965, 1344205999, 4032617997, 6721029995, 20163089985]

約数ペア:

[(1, 20163089985), (3, 6721029995), (5, 4032617997), (15, 1344205999), (29, 695278965), (83, 242928795), (87, 231759655), (145, 139055793), (249, 80976265), (415, 48585759), (435, 46351931), (1245, 16195253), (2407, 8376855), (7221, 2792285), (12035, 1675371), (36105, 558457)]